X-ray or gamma ray systems or devices – Photographic detector support – Sheet film cassette
Patent
1998-02-24
2000-04-11
Bruce, David V.
X-ray or gamma ray systems or devices
Photographic detector support
Sheet film cassette
430966, G03B 4204
Patent
active
060480963
ABSTRACT:
An image-forming system for radiological imaging is described consisting of an intensifying screen comprising on a support at least one layer of a green-light emitting phosphor and, in operative association therewith, a prehardened light-sensitive photographic silver halide film material, comprising a support and on both sides thereof one or more hydrophilic colloid layers having monodisperse cubic silver chloroiodide grains with a mean crystal diameter of from 0.40 .mu.m up to 0.65 .mu.m or {111} tabular silver chloroiodide grains having an aspect ratio of from 5 to 20 and a tabularity from 20 to 200; wherein said grains have been spectrally sensitized in the green wavelength range and have been coated in a total amount of silver per sq.m. of from 6 g up to 8 g, expressed as an equivalent amount of silver nitrate per sq.m.; wherein in the image-forming system silver chloroiodide grains have been chemically sensitized with one or more selenide compound(s) generating silver selenide.
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Henderickx Freddy
Loccufier Johan
Verbeeck Ann
Verrept Peter
Agfa-Gevaert N.V.
Bruce David V.
Schwartz Michael J.
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